¦ verb
1. (of opposing groups) meet and come into violent conflict.
have a forceful disagreement.
2. be incompatible.
3. (of colours) appear discordant when placed together.
4. (of dates or events) occur inconveniently at the same time.
5. strike (cymbals) together, producing a loud discordant sound.
¦ noun
1. an instance of clashing.
2. a loud discordant sound.
Derivatives
clasher noun
Origin
C16: imitative.